Read Edit View history 差分方程 chāfēnfāngchéng difference equation Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 差分方程 · chāfēnfāngchéng · difference equation 2026/03/04 差分方程 chāfēnfāngchéng difference equation difference equation (math.) 差分方程在离散数学中非常重要。 created sense Mar 4, 2026, 02:25 AM